import turtle as t
import time
colors = ['red', 'yellow', 'blue', 'green']
t.speed(0)
for i in range(1, 51):
    for j in range(5):
        t.color(colors[i % 4])
        t.left(72)
        t.forward(i * 5)
    t.left(30)
time.sleep(5)
